iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/display: DCN2X Find Secondary Pipe properly in MPO + ODM Case

Browse Source 
commit 348fe1ca5ccdca0f8c285e2ab99004fdcd531430 upstream.

[WHY]
Previously as MPO + ODM Combine was not supported, finding secondary pipes
for each case was mutually exclusive. Now that both are supported at the same
time, both cases should be taken into account when finding a secondary pipe.

[HOW]
If a secondary pipe cannot be found based on previous bottom pipe,
search for a second pipe using next_odm_pipe instead.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Anson Jacob <anson.jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.10.x
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sung Lee 2021-01-05 14:32:29 -05:00 committed by Greg Kroah-Hartman
parent 09846950a1
commit 7f8049df7c
1 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
View File

@ -2520,8 +2520,7 @@ struct pipe_ctx *dcn20_find_secondary_pipe(struct dc *dc,
* if this primary pipe has a bottom pipe in prev. state
* and if the bottom pipe is still available (which it should be),
* pick that pipe as secondary
* Same logic applies for ODM pipes. Since mpo is not allowed with odm
* check in else case.
* Same logic applies for ODM pipes
*/
if (dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].bottom_pipe) {
preferred_pipe_idx = dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].bottom_pipe->pipe_idx;
@ -2529,7 +2528,9 @@ struct pipe_ctx *dcn20_find_secondary_pipe(struct dc *dc,
secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];
secondary_pipe->pipe_idx = preferred_pipe_idx;
}
} else if (dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].next_odm_pipe) {
}
if (secondary_pipe == NULL &&
dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].next_odm_pipe) {
preferred_pipe_idx = dc->current_state->res_ctx.pipe_ctx[primary_pipe->pipe_idx].next_odm_pipe->pipe_idx;
if (res_ctx->pipe_ctx[preferred_pipe_idx].stream == NULL) {
secondary_pipe = &res_ctx->pipe_ctx[preferred_pipe_idx];